Best Infinity 5 Channel Amplifiers In November 2026

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In this article, we will present the top 10 Best Infinity 5 Channel Amplifiers available on the market, along with our expert reviews. Get one of them and have fun! You’ll love it!

To help you in your search, we have completed this list of the Best Infinity 5 Channel Amplifiers.

Top Rated Best Infinity 5 Channel Amplifiers Of 2026

Rank	Product Name	Score
1	Infinity REF-704A 1000 W Peak (400W RMS) Reference Series 4-Channel Amplifier Buy Now	9.7 Buy Now
2	Infinity Marine M704A 4-Channel Amplifier Buy Now	9.5 Buy Now
3	Pyle Hydra Marine Amplifier - Upgraded Elite Series 1000 Watt 4 Channel Bridgeable Buy Now	9.1 Buy Now
4	Infinity PRIMUS-6004A Primus 4-Channel, 40w X 4 amplifier Buy Now	8.8 Buy Now
5	JBL CLUB-704 1000W Peak (400W RMS) Club Series 4-Channel Amplifier Buy Now	8.6 Buy Now
6	Skar Audio SK65M 6.5" 2-Way Marine Full Range 320 Watt Coaxial Speakers, Pair Buy Now	8.3 Buy Now
7	Infinity REF-704A 1000W Reference Series 4-Channel Amplifier with 4 Channel Amp Kit Buy Now	8.1 Buy Now
8	Infinity Kappa Five 75W x 4 + 350W x 1 Car Amplifier Buy Now	7.8 Buy Now
9	Kenwood KAC-M3004 Compact 4 Channel Digital Amplifier Buy Now	7.5 Buy Now
10	Alpine BBX-F1200 280 Watt 4-Channel Amplifier Buy Now	7.2 Buy Now

1. Infinity REF-704A 1000 W Peak (400W RMS) Reference Series 4-Channel Amplifier

• Power output, 2 100w rms x 4, / power output, 4 70w rms x 4
• Signal-to-noise ratio 85db
• Power output, 4 bridged 200w rms x 2
• Max power1000w peak

2. Infinity Marine M704A 4-Channel Amplifier

3. Pyle Hydra Marine Amplifier - Upgraded Elite Series 1000 Watt 4 Channel Bridgeable

• Premium rca input: for an easier use of this hydra marine amplifier, it comes with premium rca inputs. if your marine receiver lacks rca output jacks, you can connect speaker output leads to the high level inputs
• 4 channel bridgeable amplifier: pyles plmra420 is engineered as a 4 channel bridgeable marine amplifier that powers up your speaker and is universally compatible. it also has high and low electronic crossover network or pass filters
• Powerful 1000 watt: this amplifier is powerful with its 1000 watt maximum and dual mofset power supply. comes with dual adjustable input gain level controls of 10k ohm (low) and 100 ohm (high) speaker impedance
• Variable bass boost of up to 18db at 60hz
• Waterproof four-channel, bridgeable mosfet power amplifier with 4 x 250 watts maximum output
• High-level molex and gold-plated low-level rca inputs with adjustable input level

4. Infinity PRIMUS-6004A Primus 4-Channel, 40w X 4 amplifier

• Value engineered primus amplifier provides true infinity performance at an affordable price while now lacking the features needed to properely tune and optimize performance. compact footprint with it becoming more and more difficult to find spacious locations for amplifier mounting, primus has been developed in a small compact form factor to allow more location versatil...
• Input sensitivity an input level control adjusts input sensitivity. when low level inputs are used, this control can adjust the input between 200mvrms and 5.0vrms. when high level inputs are used, the control adjusts the input between 0.5vrms and 15vrms. this allows primus amps to be conntected to virtually any factory system or serve as the foundation for a trophy winn...
• Switchable bass eq this provides an available bass boost at 45hz of 6db or 12db, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type. cool industrial design black with grooved center panel, polished badge, black painted end panels and bottom.
• Full on-board protection primus amplifier has on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. an led indicator is inlcuded on all four models to let you know when one of these conditions exists. reliability infinity is one of the best selling car audio brands in the world. this is not a coincidence given the arduous testing and...
• Crossover mode switch lpf crossover controls is switchable between 0db to 12db at 45 hz giving user ab ility to adjust sound to the environment and/or application. crossover control gives user additional fine tuning adjusts the crossover turnover frequency between 32hz and 320hz. (one knob for each stereo pair.)

5. JBL CLUB-704 1000W Peak (400W RMS) Club Series 4-Channel Amplifier

• Total peak power: 1000 watts
• 100 watts rms x 4 @ 2 ohms
• 70 watts rms x 4 @ 4 ohms
• Slim chassis provides more flexible mounting options
• 200 watts rms bridged x 2 @ 4 ohm

6. Skar Audio SK65M 6.5" 2-Way Marine Full Range 320 Watt Coaxial Speakers, Pair

• 6. 5" 2-way coaxial full range marine grade speakers, pair
• Premium microfiber composite mineral filled mid-woofer cone with butyl surround
• Impedance: 4 ohms | 1. 2" sv voice coil
• Sensitivity: 88 db, frequency response: 57 hz - 20, 000 hz
• Peak power: 320 watts (pair) | rms power: 160 watts (pair)
• 1" marine grade silk dome tweeter mounted on top of mid-range for balanced sound

7. Infinity REF-704A 1000W Reference Series 4-Channel Amplifier with 4 Channel Amp Kit

• Complete 4 channels 2500w 4 gauge amplifier installation wiring kit
• Ref-704a: reference series 4-channel class d amplifier
• 200 watts rms x 2 at 4 ohms in bridged mode (4-ohm stable in bridged mode)
• 70 watts rms x 4 at 4 ohms (100 watts rms x 4 at 2 ohms)
• Package: infinity ref-704a amplifier + complete 4 channel amplifier kit + free mobile holder

8. Infinity Kappa Five 75W x 4 + 350W x 1 Car Amplifier

9. Kenwood KAC-M3004 Compact 4 Channel Digital Amplifier

• Rms power
• Peak power: 600 watts
• 2o: 75 watts x 4
• 4o: 50 watts x 4
• Signal sensing turn-on

10. Alpine BBX-F1200 280 Watt 4-Channel Amplifier

• Make sure this fits. by entering your model number.
• Alpine bbx-f1200 4-channel amplifier
• This new bbx amplifier gives you alpine power performance at an amazing price. and they're designed to fit easily in virtually any system.
• Total max power: 600w
• Terminal layout: two-sided